/* style/about.css */

/* Biến CSS cho màu sắc */
:root {
  --primary-color: #FFD700; /* Vàng kim */
  --secondary-color: #1E90FF; /* Xanh da trời */
  --text-dark: #333333;
  --text-light: #ffffff;
  --background-light: #f5f5f5;
  --background-dark: #222222;
  --border-color: #e0e0e0;
}

.page-about {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
}

.page-about .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* HERO Section */
.page-about .hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: var(--text-light);
}

.page-about .hero-container {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page-about .hero-image {
  width: 100%;
  margin-bottom: 30px;
}

.page-about .hero-image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-about .hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
}

.page-about .hero-content h1 {
  font-size: 3.2em;
  margin-bottom: 20px;
  color: var(--text-light);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-about .hero-content p {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: var(--text-light);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
}

.page-about .cta-button {
  display: inline-block;
  padding: 15px 40px;
  background: var(--primary-color);
  color: var(--text-dark);
  text-decoration: none;
  border-radius: 5px;
  font-size: 1.1em;
  font-weight: bold;
  margin-top: 20px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  border: none;
  cursor: pointer;
}

.page-about .cta-button:hover {
  background: var(--secondary-color);
  color: var(--text-light);
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

/* General Section Styling */
.page-about section {
  padding: 60px 0;
  background-color: var(--background-light);
}

.page-about section:nth-of-type(even) {
  background-color: #ffffff;
}

.page-about h2 {
  font-size: 2.5em;
  color: var(--secondary-color);
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.page-about h2::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background-color: var(--primary-color);
  margin: 15px auto 0;
  border-radius: 2px;
}

.page-about h3 {
  font-size: 1.8em;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.page-about p {
  font-size: 1.1em;
  margin-bottom: 20px;
  color: var(--text-dark);
}

.page-about ul {
  list-style: disc;
  margin-left: 20px;
  margin-bottom: 20px;
}

.page-about ul li {
  font-size: 1.1em;
  margin-bottom: 10px;
  color: var(--text-dark);
}

/* Grid Layouts */
.page-about .grid-2-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.page-about .grid-3-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-about .text-content {
  padding: 20px;
}

.page-about .image-content img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* Feature Cards */
.page-about .feature-card {
  background-color: #ffffff;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  padding: 30px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-about .feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.page-about .feature-card img {
  max-width: 100%;
  height: 250px; /* Cố định chiều cao cho hình ảnh trong card */
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 25px;
}

.page-about .feature-card h3 {
  font-size: 1.5em;
  color: var(--secondary-color);
  margin-bottom: 15px;
}

.page-about .feature-card p {
  font-size: 1em;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.page-about .card-link {
  display: inline-block;
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.page-about .card-link:hover {
  color: var(--primary-color);
}

/* CTA Join Section */
.page-about .section-cta-join {
  background: linear-gradient(90deg, #1E90FF, #007bff);
  color: var(--text-light);
  text-align: center;
  padding: 80px 20px;
}

.page-about .section-cta-join h2 {
  color: var(--text-light);
}

.page-about .section-cta-join h2::after {
  background-color: var(--primary-color);
}

.page-about .section-cta-join p {
  font-size: 1.2em;
  max-width: 800px;
  margin: 0 auto 40px;
  color: var(--text-light);
}

.page-about .primary-button {
  background-color: var(--primary-color);
  color: var(--text-dark);
  margin-right: 20px;
}

.page-about .primary-button:hover {
  background-color: #ffd000;
}

.page-about .secondary-button {
  background-color: #ffffff;
  color: var(--secondary-color);
}

.page-about .secondary-button:hover {
  background-color: var(--background-light);
  color: var(--primary-color);
}

/* FAQ Section */
.page-about .section-faq {
  background-color: var(--background-light);
}

.page-about .faq-list {
  margin-top: 40px;
}

.page-about .faq-item {
  margin-bottom: 15px;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  background-color: #ffffff;
}

.page-about .faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  background: #ffffff;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.page-about .faq-question:hover {
  background: #f0f0f0;
}

.page-about .faq-question h3 {
  margin: 0;
  font-size: 1.2em;
  color: var(--text-dark);
}

.page-about .faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: var(--secondary-color);
  transition: transform 0.3s ease;
}

.page-about .faq-item.active .faq-toggle {
  transform: rotate(45deg);
  color: var(--primary-color);
}

.page-about .faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 20px;
  background: #f9f9f9;
  border-radius: 0 0 5px 5px;
}

.page-about .faq-item.active .faq-answer {
  max-height: 500px; /* Đủ lớn để chứa nội dung */
  padding: 20px;
}

.page-about .faq-answer p {
  margin: 0;
  color: var(--text-dark);
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-about .grid-2-cols {
    grid-template-columns: 1fr;
  }
  .page-about .grid-2-cols .image-content {
    order: -1; /* Đẩy hình ảnh lên trên trên mobile */
  }
  .page-about .hero-content h1 {
    font-size: 2.5em;
  }
  .page-about h2 {
    font-size: 2em;
  }
  .page-about h3 {
    font-size: 1.5em;
  }
  .page-about .hero-content p, .page-about p, .page-about ul li {
    font-size: 1em;
  }
}

@media (max-width: 768px) {
  .page-about .hero-section {
    padding: 40px 15px;
  }
  .page-about .hero-image img {
    border-radius: 4px;
  }
  .page-about .hero-content h1 {
    font-size: 2em;
  }
  .page-about .hero-content p {
    font-size: 0.95em;
  }
  .page-about .cta-button {
    padding: 12px 30px;
    font-size: 1em;
  }
  .page-about section {
    padding: 40px 0;
  }
  .page-about h2 {
    font-size: 1.8em;
    margin-bottom: 30px;
  }
  .page-about .grid-3-cols {
    grid-template-columns: 1fr;
  }
  .page-about .feature-card {
    padding: 20px;
  }
  .page-about .feature-card img {
    height: 200px;
  }
  .page-about .section-cta-join {
    padding: 60px 15px;
  }
  .page-about .section-cta-join p {
    font-size: 1em;
  }
  .page-about .primary-button, .page-about .secondary-button {
    margin-right: 0;
    margin-bottom: 15px;
    width: 100%;
  }
  .page-about .faq-question {
    padding: 12px 15px;
  }
  .page-about .faq-question h3 {
    font-size: 1.1em;
  }
  .page-about .faq-answer {
    padding: 0 15px;
  }
  .page-about .faq-item.active .faq-answer {
    padding: 15px;
  }
}